TW200939648A - Adjustable local oscillator path in a communication device with a transmitter - Google Patents

Adjustable local oscillator path in a communication device with a transmitter Download PDF

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Publication number
TW200939648A
TW200939648A TW097144974A TW97144974A TW200939648A TW 200939648 A TW200939648 A TW 200939648A TW 097144974 A TW097144974 A TW 097144974A TW 97144974 A TW97144974 A TW 97144974A TW 200939648 A TW200939648 A TW 200939648A
Authority
TW
Taiwan
Prior art keywords
signal
local oscillator
power
path
processed
Prior art date
Application number
TW097144974A
Other languages
English (en)
Chinese (zh)
Inventor
Zhuo Wei
Aristotele Hadjichristos
Tzu-Wang Pan
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200939648A publication Critical patent/TW200939648A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
TW097144974A 2007-11-20 2008-11-20 Adjustable local oscillator path in a communication device with a transmitter TW200939648A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US98920307P 2007-11-20 2007-11-20
US11/947,597 US8472890B2 (en) 2007-11-20 2007-11-29 Adjustable local oscillator path in a communication device with a transmitter

Publications (1)

Publication Number Publication Date
TW200939648A true TW200939648A (en) 2009-09-16

Family

ID=40642488

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097144974A TW200939648A (en) 2007-11-20 2008-11-20 Adjustable local oscillator path in a communication device with a transmitter

Country Status (7)

Country Link
US (1) US8472890B2 (ja)
EP (1) EP2215728B1 (ja)
JP (2) JP5199381B2 (ja)
KR (1) KR101146164B1 (ja)
CN (1) CN101911512B (ja)
TW (1) TW200939648A (ja)
WO (1) WO2009067464A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2326132A1 (en) * 2009-11-18 2011-05-25 Mitsubishi Electric R&D Centre Europe B.V. Method and a device for controlling the interferences generated by radio signals
CN102255659B (zh) * 2010-05-17 2014-06-11 启碁科技股份有限公司 光学低噪声降频器、多住宅单元设备及相关卫星电视系统
US9112508B2 (en) * 2010-06-09 2015-08-18 Broadcom Corporation Adaptive powered local oscillator generator circuit and related method
US8787854B2 (en) * 2012-07-25 2014-07-22 Qualcomm Incorporated Low power local oscillator signal generation
GB2507087B (en) * 2012-10-18 2015-07-22 Broadcom Corp Method and apparatus for signal reception
DE102015114541A1 (de) 2015-08-31 2017-03-02 Intel IP Corporation Ein Empfänger und ein Verfahren zum Reduzieren einer Verzerrungskomponente innerhalb eines Basisbandempfangssignals
US9712113B2 (en) 2015-12-01 2017-07-18 Analog Devices Global Local oscillator paths
US9755678B2 (en) 2015-12-01 2017-09-05 Analog Devices Global Low noise transconductance amplifiers
EP3226624A1 (en) * 2016-03-31 2017-10-04 Intel IP Corporation Transceiver, transmitter, receiver and method for determining a minimum supply voltage for receivers and transmitters
EP3264615B1 (en) * 2016-07-01 2021-08-25 Intel Corporation Adaptation circuit and apparatus, methods and computer programs for adapting, fabricating, and operating, radio transceiver, mobile transceiver, base station transceiver, and storage for computer programs or instructions
KR102387572B1 (ko) 2017-04-20 2022-04-18 삼성전자주식회사 무선 통신 장치 및 방법
US10670699B2 (en) * 2017-09-07 2020-06-02 Nxp B.V. RF radar device BIST using noise injection
JP6929203B2 (ja) * 2017-11-15 2021-09-01 旭化成エレクトロニクス株式会社 ダイレクトコンバージョン受信機
KR102618561B1 (ko) 2018-07-16 2023-12-27 삼성전자주식회사 로컬 오실레이터를 포함하는 rf 집적 회로 및 그 동작 방법

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JP2968592B2 (ja) * 1990-12-26 1999-10-25 日本電気株式会社 携帯電話機
SE514943C2 (sv) * 1994-01-12 2001-05-21 Ericsson Ge Mobile Communicat Sätt vid energibesparing i en batteridriven sändare - mottagare
US6298221B1 (en) * 1998-04-01 2001-10-02 Denso Corporation Adaptive receiver linearity techniques for a radio transceiver
US6625238B2 (en) * 2000-03-29 2003-09-23 Sony Corporation Low power and high linearity receivers with reactively biased front ends
US6965655B1 (en) * 2000-06-20 2005-11-15 Texas Instruments Incorporated Apparatus for and method of optimizing the performance of a radio frequency receiver in the presence of interference
JP2003188754A (ja) * 2001-12-14 2003-07-04 Hitachi Ltd 局部発振周波信号出力回路及びこれを用いた携帯端末
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JP2003298441A (ja) * 2002-04-01 2003-10-17 Hitachi Ltd 低消費電力受信装置
KR100785003B1 (ko) 2002-09-06 2007-12-11 삼성전자주식회사 위상동기루프(ｐｌｌ)의 제어전압을 이용한 멀티밴드용송수신장치 및 송수신 방법
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Also Published As

Publication number Publication date
KR20100083849A (ko) 2010-07-22
WO2009067464A1 (en) 2009-05-28
JP2013070389A (ja) 2013-04-18
EP2215728A1 (en) 2010-08-11
CN101911512B (zh) 2015-05-20
JP2011504069A (ja) 2011-01-27
EP2215728B1 (en) 2016-03-23
JP5450771B2 (ja) 2014-03-26
US8472890B2 (en) 2013-06-25
US20090130994A1 (en) 2009-05-21
CN101911512A (zh) 2010-12-08
KR101146164B1 (ko) 2012-05-16
JP5199381B2 (ja) 2013-05-15

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